3891 search results - page 18 / 779 » Query Models |
ECIR
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
JCSS
2007
13 years 9 months ago
2007
We introduce a combinatorial dimension that characterizes the number of queries needed to exactly (or approximately) learn concept classes in various models. Our general dimension...
ICDE
2012
IEEE
12 years 9 days ago
2012
IEEE
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
SIGIR
2002
ACM
13 years 9 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
WWW
2006
ACM
14 years 10 months ago
2006
ACM
In this work we propose a method that retrieves a list of related queries given an initial input query. The related queries are based on the query log of previously issued queries...